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Finding the Fourth Proportional to 548,531.80, 822,797.70 and 337,485.40

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Solution

The fourth proportional to 548,531.80, 822,797.70 and 337,485.40 is: 506,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,531.80 : 822,797.70 = 337,485.40 : x
  2. Step 2: Convert to fraction form
    548,531.80/822,797.70 = 337,485.40/x
  3. Step 3: Cross multiply
    548,531.80x = 822,797.70 × 337,485.40
  4. Step 4: Simplify right side
    548,531.80x = 277,682,210,903.58
  5. Step 5: Solve for x
    x = 277,682,210,903.58/548,531.80
  6. Step 6: Final answer
    x = 506,228.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.